Modernize `std::unique` with ranges

The new return value is `std::ranges::subrange`.

2 files changed, 4 insertions, 2 deletions

diff --git a/Source/Core/Common/FileSearch.cpp b/Source/Core/Common/FileSearch.cpp
index 4a54c978c9..a92c50f7d1 100644
--- a/Source/Core/Common/FileSearch.cpp
+++ b/Source/Core/Common/FileSearch.cpp
@@ -98,7 +98,8 @@ std::vector<std::string> DoFileSearch(const std::vector<std::string>& directorie
   // not because std::filesystem returns duplicates). Also note that this pathname-based uniqueness
   // isn't as thorough as std::filesystem::equivalent.
   std::ranges::sort(result);
-  result.erase(std::unique(result.begin(), result.end()), result.end());
+  const auto unique_result = std::ranges::unique(result);
+  result.erase(unique_result.begin(), unique_result.end());
 
   // Dolphin expects to be able to use "/" (DIR_SEP) everywhere.
   // std::filesystem uses the OS separator.
diff --git a/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp b/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
index 1877e8294c..b50621bc92 100644
--- a/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/MappingCommon.cpp
@@ -129,7 +129,8 @@ BuildExpression(const std::vector<ciface::Core::DeviceContainer::InputDetection>
 
   // Remove duplicates
   std::ranges::sort(alternations);
-  alternations.erase(std::unique(alternations.begin(), alternations.end()), alternations.end());
+  const auto unique_result = std::ranges::unique(alternations);
+  alternations.erase(unique_result.begin(), unique_result.end());
 
   return fmt::to_string(fmt::join(alternations, "|"));
 }